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4 Types of Laser Cutting Methods and How to Adjust the Flight Path
Nov 26, 2018

1.Laser Vaporization Cutting

The high-energy, high-density laser beam is used to heat the workpiece, raise the temperature, and vaporize the material into steam in a short period of time. When the steam is ejected, a cut is formed in the material, so that A cutting effect was achieved. However, the heat of vaporization of a material generally is large, so a high-power laser beam should be used when heating the material. The materials used in laser vaporization cutting generally have extremely thin metallic materials and non-metallic materials.

2.Laser Melting and Cutting

When laser melting and cutting, of course, the material is heated to a certain temperature to melt, and then a non-oxidizing gas is sprayed through a nozzle coaxial with the beam, and the liquid metal is discharged by the pressure of the gas to form a slit. The energy required for laser melting and cutting is only 1/10 of that of vaporization cutting, and it is not necessary to completely vaporize the metal. Generally suitable for laser melting and cutting materials are stainless steel, titanium, aluminum and alloys thereof, etc., which are some materials or active metals that are not easily oxidized.

3.Laser Oxygen Cutting

The laser oxygen cutting laser is used as a preheating heat source, and an active gas such as oxygen is used as an auxiliary gas for cutting. After the gas is ejected, the gas is oxidized with the metal to release a large amount of oxidation heat. At the same time, the molten oxide and the melt are blown out of the reaction zone to form a slit in the metal. Generally suitable for laser oxygen cutting materials are carbon steel, titanium steel and heat-treated steel and other easily oxidized metal materials.

4.Laser Dicing and Control Fracture

This laser cutting uses a high-energy density laser beam to scan the surface of the material. The outer surface of the material is heated to emit a small groove, and then a certain pressure is applied, so the laser will cut along the small groove. The material commonly used for such cutting is a brittle material.

The above is the classification of 4 types of laser cutting. Each of these four laser cutting has its own advantages. The materials and objects for cutting are different, and you can choose according to your needs. At the same time, since the laser cutting equipment is fixed, the transmission direction of the laser is also fixed, but for the sake of demand, we have to take some measures to change the transmission direction of the laser, so as to meet the needs of product processing. Usually, the direction of laser light transmission is refracted by a mirror and an optical fiber. The laser generator does not move and the mirror moves. This situation is called the flight path of the laser cutting machine. How to adjust the flight path of the laser cutting machine?

In fact, adjusting the flight path of the laser cutting equipment is not a particularly complicated matter. First of all, it is necessary to ensure that the laser emitted from the laser device can accurately hit the center of the No. 1 mirror, and that it should be added before the No. 2 mirror during debugging. A piece of cardboard is tested for the location of the spot to prevent laser radiation from injuring people.

Then, gradually adjust the beam position to the farthest from the laser tube and adjust the two marks until the center of the mark coincides. This is repeated until the laser can be photographed to the specified position, and the purpose of adjusting the flight path of the laser cutting machine has been achieved.

Finally, after adjusting the flight path, the position should be cut according to the position of the optical path. If there is still deviation and displacement during the cutting, then the manufacturer of the equipment should be consulted in detail.

We work on sheet metal manufacturing like Electronic Cases Parts, Server Chassis, Smart Home Applicants, Telecom Parts and Industrial Machining, which can be made from a variety of quality materials with competitive prices.

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